Financial incumbents should respond by treating FinTech as an ecosystem shift, not just a competitive threat. The strongest moves are partnerships, acquisitions, investments, incubators, and selective platform exposure that create early relationships with innovators. The goal is to protect core revenue while using startup energy to accelerate product change, shorten time to market, and keep pace with changing customer expectations.
Why the Right Response Is Ecosystem Building, Not Pure Defensive Posture
When startups start taking the most profitable slices of a market, the incumbent’s first mistake is to frame the problem as a short-term price war. The more durable response is to treat the change as ecosystem reassembly, where new capabilities, new distribution paths, and new customer expectations are being rewired around the incumbent’s franchise.
That means incumbents need a portfolio response. Some products should be defended, some should be partnered around, and some should be acquired or folded into a broader platform strategy. The practical question is not whether a startup competes, but whether it opens a faster route to innovation, customer reach, or operational leverage.
This is why selective exposure matters. A controlled partnership or investment can buy learning, access, and optionality without forcing the incumbent to commit fully before the market has clarified which offerings will matter most.
How Partnerships, Acquisitions, and Selective Platforms Change the Response
Partnerships work best when the startup fills a capability gap the incumbent cannot build quickly enough. That can mean better user experience, faster onboarding, a niche workflow, or a distribution model that the incumbent’s legacy stack cannot support cleanly. The value is not just capability transfer, it is compressed learning.
Acquisitions make sense when the startup’s product, talent, or customer base is strategically adjacent and when integration will not destroy the speed that made it attractive in the first place. A bad acquisition can neutralise the very innovation it was meant to buy, so the integration model needs to preserve what is working while tightening governance around it.
Selective platform exposure is the middle path. The incumbent opens a limited surface for innovators to build on top of core assets, which can extend reach and keep the firm relevant in a changing ecosystem. Used well, it creates a controlled route for experimentation without giving away the entire franchise.
For a useful governance lens on this kind of ecosystem response, see NIST Cybersecurity Framework 2.0, which is helpful here because the same governance logic applies when an incumbent is deciding what to protect, expose, or adapt.
What Incumbents Need to Protect While They Adapt
The central challenge is to protect the profitable core without freezing it in place. Incumbents usually have scale, trust, regulation, and customer relationships on their side, but those advantages only matter if the organisation can convert them into faster product cycles and better delivery. If internal decision-making is too slow, the market will keep shifting away from the incumbent even when the brand remains strong.
The smartest response is to isolate which parts of the business are truly defensible and which are merely legacy habits. Core revenue streams often depend on customer trust, data quality, service reliability, and integration with existing workflows. Those assets should be protected while adjacent innovation is allowed to move faster, take more risk, and test new commercial models.
Financial firms should also be disciplined about partnership risk and vendor concentration, especially where startups gain access to customer workflows, payments, or privileged integrations. In the regulated financial sector, that discipline is reinforced by operational resilience and third-party risk expectations in EU Digital Operational Resilience Act (DORA).
Risk and Threat Considerations
The main risk is mistaking disruption for a branding problem instead of a structural one. If the incumbent waits too long, the startup can capture customer expectations, data access, and distribution relationships that are hard to win back later. Poorly governed partnerships can also create exposure through weak integration boundaries, duplicated controls, or overreliance on a single external innovator.
Failure mechanism: The incumbent either over-defends the legacy model and loses relevance, or over-exposes the core and creates operational and commercial dependency on immature partners.
Impact: Margin erosion, slower innovation, weakened customer retention, and in the worst case, a strategic shift where the incumbent becomes a utility behind a better experience delivered by others.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
NIST CSF 2.0 sets the technical controls, while DORA and ISO/IEC 27001:2022 define the regulatory obligations.
| Framework | Control / Reference | Relevance |
|---|---|---|
| NIST CSF 2.0 | GV.RM-01 — Risk Management Strategy | The response hinges on portfolio risk decisions across defend, partner, buy, or expose. |
| GV.SC-01 — Supply Chain Risk Management Strategy | Selective platform exposure and startup reliance create third-party dependency risk. | |
| PR.IR-01 — Network and Environment Resilience | Incumbents need resilience while adapting products and external integrations. | |
| Recommendation — Set a risk strategy for ecosystem partnerships and acquisitions that preserves core value. Define third-party risk criteria before exposing core capabilities to startups. Design operating models so innovation does not weaken resilience of core services. | ||
| DORA | Operational Resilience and ICT Third-Party Risk | Financial incumbents face resilience and third-party exposure when partnering with startups. |
| Recommendation — Apply third-party resilience controls before integrating startup capabilities. | ||
| ISO/IEC 27001:2022 | A.5.19 — Information security in supplier relationships | Partnerships and acquisitions introduce supplier and integration governance risk. |
| Recommendation — Assess supplier security obligations before granting startup access to core systems. | ||
Practitioner Guidance
What to prioritise: Separate core franchise assets from replaceable product features, then decide which startup capabilities should be partnered, acquired, or allowed to remain external. That distinction should be made by business model value, not by internal politics or novelty.
What to verify: Before any partnership or investment, confirm that the startup can integrate without creating hidden operational dependencies, control gaps, or customer-friction points that will be expensive to unwind later. If the relationship would be hard to exit, treat it as a strategic dependency, not a pilot.
Practitioner takeaway: Incumbents win by using innovation to widen their strategic options, not by trying to defend every legacy revenue stream with the same level of intensity.
Related resources from NHI Mgmt Group
- How should financial institutions structure partnerships with fintech startups without compromising security or regulatory control?
- How should financial services teams approach identity controls when embedding FinTech-as-a-Service into customer journeys?
- What does the growth in bank and fintech investment deals say about how the financial services market is evolving?
- How should fintech teams prioritise cloud security controls when moving more financial services into cloud-native environments?
Deepen Your Knowledge
Reviewed and updated by the NHIMG editorial team on September 24, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org
